fix[backend](serialization): add @JsonIgnore to UtmModule lazy collections to prevent HttpMessageNotWritableException

Author: Kbayero

backend/src/main/java/com/park/utmstack/domain/application_modules/UtmModule.java

@@ -62,9 +62,11 @@ public class UtmModule implements Serializable {
     @JoinColumn(name = "server_id", insertable = false, updatable = false)
     private UtmServer server;
 
+    @JsonIgnore
     @OneToMany(mappedBy = "module", fetch = FetchType.LAZY)
     private Set<UtmModuleGroup> moduleGroups = new HashSet<>();
 
+    @JsonIgnore
     @OneToMany(mappedBy = "module", fetch = FetchType.LAZY)
     private Set<UtmLogstashFilter> filters;